KH very low - how do I increase it? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 3 Old 08-18-2012, 09:21 AM Thread Starter
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KH very low - how do I increase it?

I did my tests this morning and KH was very low - 1 dkH or less. I had KH at 2 and I'd like to get back to that. Can someone please tell me what to use and how much for, say 2 s KH? Thanks a lot.
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post #2 of 3 Old 08-18-2012, 01:49 PM
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I would have to ask why you want to fiddle with raising the KH by one degree? KH has no effect on fish or plants. It does buffer the pH, but at such low levels the difference will be negligible. My KH is less than 1 dKH (about .6 according to the water board) and I never fuss with it. I maintain GH where I want it, and let the pH do what it does.

Now, having said that, if you have livebearers or rift lake cichlids or similar fish requiring harder water, then a higher KH would help with maintaining a higher pH, but the higher GH would be part of this on its own.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #3 of 3 Old 08-18-2012, 02:23 PM Thread Starter
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Originally Posted by Byron View Post
I would have to ask why you want to fiddle with raising the KH by one degree? KH has no effect on fish or plants. It does buffer the pH, but at such low levels the difference will be negligible. My KH is less than 1 dKH (about .6 according to the water board) and I never fuss with it. I maintain GH where I want it, and let the pH do what it does.

Now, having said that, if you have livebearers or rift lake cichlids or similar fish requiring harder water, then a higher KH would help with maintaining a higher pH, but the higher GH would be part of this on its own.
Well if you don't fuss with it, why should it worry me? btw, the Water Sprite and the Wisteria are doing a little better and I expect nitrates to reflect that fairly soon.

Thanks, Byron
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